package com.example.demo.controller;

import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

@RequestMapping("/user")
@RestController
public class UserController {
    @RequestMapping("/login")
    public boolean login(String username, String password, HttpSession session) {
        //校验参数合法性
        /*if (username == null || username.length() == 0 || password == null || password.length() == 0) {
            return false;
        }*/
        if (!StringUtils.hasLength(username) || !StringUtils.hasLength(password)) {
            return false;
        }

        //进行用户名和密码的校验
        if ("admin".equals(username) && "admin".equals(password)) {
            //设置session
            session.setAttribute("username", "admin");
            return true;
        }

        return false;
    }

    @RequestMapping("/getUserInfo")
    public String getUserInfo(HttpServletRequest request) {
        //从session中获取登录用户
        HttpSession session = request.getSession(false);
        String userName = null;
        if (session != null) {
            userName = (String) session.getAttribute("username");
        }
        return userName;
    }
}

















